Native Americans have been recognized as citizens since 1924. As we explore the U.S. Constitution and whose interests it serves, Roxanne Dunbar-Ortiz, scholar and activist, author of An Indigenous Peoples' History of the United States and co-author of "All the Real Indians Died Off": And 20 Other Myths About Native Americans  (Beacon Press, 2016) and Adrienne Keene, assistant professor of American Studies and Ethnic Studies at Brown University who writes the Native Appropriations blog, talks about the contradictions inherent in being U.S. citizens and belonging to separate sovereign nations.